Alert archive / Indiana / Mesoscale Discussions in 2012

Mesoscale Discussion 1410

July 5, 201246 counties in Indiana; 4 counties in Michigan; 39 counties in Ohio

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2012, 5:58 PM EDT for 46 counties in Indiana; 4 counties in Michigan; 39 counties in Ohio. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Jul 5, 2012, 5:58 PM EDT (21:58 UTC)
Expired: Jul 5, 2012, 7:30 PM EDT
In force: 92 min
Issued by: the Storm Prediction Center
Chance of a watch: 60%

All 89 counties

Adams County, IN, Allen County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fayette County, IN, Franklin County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Jay County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Porter County, IN, Pulaski County, IN, Randolph County, IN, Rush County, IN, Saint Joseph County, IN, Shelby County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN, Berrien County, MI, Branch County, MI, Cass County, MI, Saint Joseph County, MI, Allen County, OH, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Clermont County, OH, Clinton County, OH, Darke County, OH, Defiance County, OH, Delaware County, OH, Fairfield County, OH, Fayette County, OH, Franklin County, OH, Fulton County, OH, Greene County, OH, Hamilton County, OH, Hancock County, OH, Hardin County, OH, Henry County, OH, Highland County, OH, Licking County, OH, Logan County, OH, Madison County, OH, Marion County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Morrow County, OH, Paulding County, OH, Pickaway County, OH, Preble County, OH, Putnam County, OH, Ross County, OH, Shelby County, OH, Union County, OH, Van Wert County, OH, Warren County, OH, Williams County, OH, Wyandot County, OH

The radar

The Northern Indiana radar (KIWX), 110 km from the middle of the area, began a volume at 21:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 hours before the alert went out and 158 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2778 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 1358 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 34 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 5, 2:57 AM EDT	Mesoscale Discussion	SPC	Steuben	63 min
Jul 5, 3:27 PM EDT	Mesoscale Discussion	SPC	Adams, Allen, DeKalb, Steuben, Wells	93 min
Jul 4, 11:54 PM EDT	Mesoscale Discussion	SPC	Clare, Gratiot, Ionia, Isabella, Kent, Lake and 11 more	96 min
Jul 5, 3:04 AM EDT	Severe Thunderstorm Watch	SPC	Barry, Calhoun, Eaton, Genesee, Ingham, Ionia and 11 more	3 hr
Jul 5, 4:12 AM EDT	Mesoscale Discussion	SPC	Genesee, Ingham, Jackson, Lenawee, Livingston, Macomb and 4 more	93 min
Jul 4, 9:48 PM EDT	Mesoscale Discussion	SPC	Athens, Belmont, Carroll, Champaign, Clark, Clinton and 35 more	87 min
Jul 4, 10:19 PM EDT	Severe Thunderstorm Watch	SPC	Adams, Athens, Auglaize, Belmont, Brown, Butler and 46 more	4 hr
Jul 5, 6:16 AM EDT	Severe Thunderstorm Watch	SPC	Ashland, Ashtabula, Carroll, Columbiana, Coshocton, Crawford and 21 more	3 hr
Jul 5, 8:00 AM EDT	Mesoscale Discussion	SPC	Athens, Belmont, Carroll, Columbiana, Coshocton, Fairfield and 18 more	90 min
Jul 5, 11:14 AM EDT	Mesoscale Discussion	SPC	Gallia, Lawrence	91 min
Jul 5, 11:37 AM EDT	Severe Thunderstorm Watch	SPC	Lawrence	7 hr

Nearby

Mesoscale Discussions in Indiana, 2012 Mesoscale Discussions in Ohio, 2012 Mesoscale Discussions in Michigan, 2012 Every mesoscale discussion in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.